Q Why is a compost heap hot?
A Carbon dioxide produced is a hot gas.
Without lungs it would be difficult to breathe.
.. the umbilical cod ..
Effects of environmental oestrogens:
- causes infertility to rise within men
- low sperm counts increase in time
- oestrogen enters the abiotic sac
- sperm counts could lead to dangerous levels
Primary consumers are unable to synthesise sunlight directly
The foetus eats from the placenta
This enzyme is called transverse conscriptase
Quaternary structure of a protein means a 3D molecule with chains in 4 directions
Energy can never be destroyed, just lost for a short time
... oxidising phophorelation ...
When rainfall falls, growth of plants is reduced.
When you put food in your mouth you chew it to make it smaller. The molecules are still big, though.
albino acids
The mountain climbers' red blood cells have gone higher due to oxygen needed at higher altitude.
The more sugar in the solution the smaller the potato lengthened.
A plant lays seeds after death.
Green plants make their own food using chloroform.